blackguard | bf7057293d871cac087daab42daf22c1737a1df6adc7b7963989658f3b65f4cc

General

Target

VegaStealer_v2.exe
Size

7.7MB
MD5

9f4f298bcf1d208bd3ce3907cfb28480
SHA1

05c1cfde951306f8c6e9d484d3d88698c4419c62
SHA256

bf7057293d871cac087daab42daf22c1737a1df6adc7b7963989658f3b65f4cc
SHA512

4c763c3b6d4884f77083db5ccada59bc57803b3226294eff2ec3db8f2121ac01ee240b0e822cb090f5320ce40df545b477e323efabdbca31722731adc4b46806
SSDEEP

98304:Rgl47z3Aldea5a/OhtJeq+4NK+dG7M0mWZsE6+YhU+dbkh4yiMP0Q:H/wld79ht+j1M0mWZsE6+YASy10Q

Score

10^/10

blackguard discovery spyware stealer

Malware Config

Extracted

Family

blackguard

C2

https://api.telegram.org/bot6540906397:AAG08fPgT-V7I17vtz49STaZEuwqXqKshuM/sendMessage?chat_id=5445185021

Signatures

BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard
Blackguard family
blackguard

Executes dropped EXE 1 IoCs

pid	Process
2944	v2.exe

Loads dropped DLL 10 IoCs

pid	Process
3000	VegaStealer_v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	freegeoip.app
5	freegeoip.app
8	ip-api.com

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VegaStealer_v2.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	v2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	v2.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2944	v2.exe
2944	v2.exe
2944	v2.exe
2944	v2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	v2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2944	3000	VegaStealer_v2.exe	30
PID 3000 wrote to memory of 2944	3000	VegaStealer_v2.exe	30
PID 3000 wrote to memory of 2944	3000	VegaStealer_v2.exe	30
PID 3000 wrote to memory of 2944	3000	VegaStealer_v2.exe	30

C:\Users\Admin\AppData\Local\Temp\VegaStealer_v2.exe
"C:\Users\Admin\AppData\Local\Temp\VegaStealer_v2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\v2.exe
  "C:\Users\Admin\AppData\Local\Temp\v2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BouncyCastle.Crypto.dll

Filesize
3.2MB

MD5
0cf454b6ed4d9e46bc40306421e4b800

SHA1
9611aa929d35cbd86b87e40b628f60d5177d2411

SHA256
e51721dc0647f4838b1abc592bd95fd8cb924716e8a64f83d4b947821fa1fa42

SHA512
85262f1bc67a89911640f59a759b476b30ca644bd1a1d9cd3213cc8aae16d7cc6ea689815f19b146db1d26f7a75772ceb48e71e27940e3686a83eb2cf7e46048

Download Submit
C:\Users\Admin\AppData\Local\Temp\Newtonsoft.Json.dll

Filesize
571KB

MD5
169b6d383b7c650ab3ae2129397a6cf3

SHA1
fcaef7defb04301fd55fb1421bb15ef96d7040d6

SHA256
b896083feb2bdedc1568b62805dbd354c55e57f2d2469a52aec6c98f4ec2dedf

SHA512
7a7a7bdb508b8bf177249251c83b65a2ef4a5d8b29397cab130cb8444b23888678673a9a2e4b1c74cc095b358f923b9e7e5a91bfa8c240412d95765851f1dd87

Download Submit
C:\Users\Admin\AppData\Local\Temp\SQLite.Interop.dll

Filesize
1.3MB

MD5
0a1e95b0b1535203a1b8479dff2c03ff

SHA1
20c4b4406e8a3b1b35ca739ed59aa07ba867043d

SHA256
788d748b4d35dfd091626529457d91e9ebc8225746211086b14fb4a25785a51e

SHA512
854abcca8d807a98a9ad0ca5d2e55716c3ce26fae7ee4642796baf415c3cfad522b658963eafe504ecaed6c2ecdcdf332c9b01e43dfa342fcc5ca0fbedfe600e

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.Data.SQLite.dll

Filesize
410KB

MD5
056d3fcaf3b1d32ff25f513621e2a372

SHA1
851740bca46bab71d0b1d47e47f3eb8358cbee03

SHA256
66b64362664030bff1596cda2ec5bd5df48cc7c8313c32f771db4aa30a3f86f9

SHA512
ce47c581538f48a46d70279a62c702195beacbfafb48a5a862b3922625fe56f6887d1679c6d9366f946d3d2124cb31c2a3eacbbd14d601ea56e66575cdf46180

Download Submit
C:\Users\Admin\AppData\Roaming\VBCXRJFKE.Admin\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Roaming\VBCXRJFKE.Admin\Process.txt

Filesize
398B

MD5
f249d85739d077e14dcf3cb54b81bba3

SHA1
5745a2e9ea946d8cb95224f47ff3c6a00876726f

SHA256
812df7e408309b2d8afc326cfd1cec6092122937e19e19c9e580d0a9f3c165bf

SHA512
26bc0151e2df5ed7f6235b4ff71cfed9f48eccce6c891aeb200acd750afd281918b2ff076701aa3ed3895c28c31363dc9ebc870ddea2511c292661b9993dd767

Download Submit
\Users\Admin\AppData\Local\Temp\v2.exe

Filesize
271KB

MD5
3f62213d184b639a0a62bcb1e65370a8

SHA1
bbf50b3c683550684cdb345d348e98fbe2fcafe0

SHA256
c692dfc29e70a17cabc19561e8e2662e1fe32fdba998a09fe1a8dc2b7e045b34

SHA512
0cd40d714e6a6ebd60cc0c8b0e339905a5f1198a474a531b1794fb562f27053f118718cc68b9652fef3411906f9d8ad22d0253af256fa1922133e9907298e803

Download Submit
memory/2944-26-0x0000000001000000-0x000000000104A000-memory.dmp

Filesize
296KB

Download
memory/2944-32-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/2944-67-0x00000000049C0000-0x0000000004A28000-memory.dmp

Filesize
416KB

Download
memory/2944-72-0x0000000000650000-0x0000000000670000-memory.dmp

Filesize
128KB

Download
memory/2944-78-0x00000000070F0000-0x000000000741E000-memory.dmp

Filesize
3.2MB

Download

Analysis

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